TREATMENT FROM THE JEPSON MANUAL (1993) |
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Jepson Interchange (more information) |
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©Copyright 1993 by the Regents of the University of California
For up-to-date information about California vascular plants, visit the Jepson eFlora. |
AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY |
Perennial, shrubs, trees, sometimes dioecious
Leaves generally opposite, simple, generally entire, generally deciduous; stipules 0
Inflorescence: cyme or racemes, generally umbel- or head-like, sometimes subtended by showy, petal-like bracts
Flower generally small, generally bisexual; calyx generally 4-lobed; petals 0 or 4(5), free; stamens generally as many as and alternate petals; ovary inferior, chambers 14, each 1-ovuled, style simple, stigma 14-lobed
Fruit: generally drupe or berry
Seeds generally 12
Genera in family: ± 12 genera, ± 100 species: especially n temp (also s tropical, subtropical). Cult as ornamental (Cornus, Aucuba ); some timber species. Genera diverse; many have been treated as constituting families, but trend is to treat Cornaceae broadly
Reference: [Eyde 1987 Syst Bot 12:505518]
Perennial, shrubs, trees
Leaves generally opposite or whorled, simple, generally deciduous; both ends generally tapered
Inflorescence small, head- or umbel-like, and surrounded by showy bracts (or cyme, large, open, lacking showy bracts)
Flower generally minute; sepals 4, fused at base; petals 4; stamens 4, attached to receptacle; style 1, thread-like, stigma simple
Fruit: drupe; stone 12-chambered
Species in genus: ± 50 species: n temp (rare in s hemisphere); many cultivated as ornamental, some for autumn color. Some fruit used for jam, syrup
Etymology: (Latin: horn, from the hard wood)
Divided by some into at least 6 genera.
Native |
Perennial from rhizomes
Stem < 2 dm, generally with 46 whorled leaves below inflorescence, pair of leaves near middle of stem
Leaves 2.57 cm, elliptic to obovate, glabrous to strigose
Inflorescence: head solitary, 24 cm, slender; bracts 4, 0.81.6 cm, ovate, whitish, petal-like
Flower: sepals 0.4 mm; petals 1.5 mm, yellowish or ± purplish; style 1.52 mm
Fruit generally ± 8 mm, spheric, red; stone smooth
Ecology: Moist forest, bogs
Elevation: 1100 m.
Bioregional distribution: Northwestern California
Distribution outside California: to Alaska, ne Asia, e N.America
Horticultural information: SHD, DRN, WET to moist: 1, 2, 3, 4, 5, 6, 14, 15, 16, 17; GRCVR, DFCLT: best on rotted organic matter.